CN1106805C - Tabacco sheet producing process by using the leftover of cigarette factory - Google Patents
Tabacco sheet producing process by using the leftover of cigarette factory Download PDFInfo
- Publication number
- CN1106805C CN1106805C CN00117207A CN00117207A CN1106805C CN 1106805 C CN1106805 C CN 1106805C CN 00117207 A CN00117207 A CN 00117207A CN 00117207 A CN00117207 A CN 00117207A CN 1106805 C CN1106805 C CN 1106805C
- Authority
- CN
- China
- Prior art keywords
- slurry
- tobacco
- offal
- reconstituted tobacoo
- cigarette factory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Paper (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The present invention relates to a production technology of tobacco sheets, particularly to a tobacco sheet production method by using leftovers of a cigarette factory, which takes tobacco stems, tobacco smalls and waste and secondary tobacco leaves as raw materials which are soaked by hot water; the soak solution which comprises soluble substances is separated from the raw materials; dissociation in fiber dissociating machine; pulp refining treatment is carried out; when pulp is mixed to the concentration of 0.3% to 1.0% by water, the pulp is shaped by a cylinder mould or a long net shaper to be the sheets. The method realizes tobacco sheet localization production, and the present invention has high efficiency and no (less) pollution. The method has high product process performance, good intensity and moderate softness. The sheets are added in cigarette production, the tar content in the cigarettes are reduced effectively, and the quality of the cigarettes is improved.
Description
The present invention relates to the reconstituted tobacoo production technology of tobacco industry, particularly a kind of method of utilizing cigarette factory waste material to produce reconstituted tobacoo.
The production of reconstituted tobacoo and application development are very rapid.This technology is that will be in the production of cigarettes process discarded offal, offal and part low-quality tobacco leaf handled through different processing, make proterties near in addition be better than the thin slice of natural tobacco leaf, be back to the production of cigarette.Adopt reconstituted tobacoo, raw tobacco material is utilized, reduce the production cost of cigarette effectively.Simultaneously, because the chemical composition and the physical property of thin slice can be regulated by controlling of production process, the an amount of reconstituted tobacoo of proportioning in the tobacco leaf, can be to a certain extent according to the demand adjustment with improve quality of cigarette, reduce the harmful components (tar content reduction) in the cigarette, improve the interior quality of cigarette.Thereby the technology of reconstituted tobacoo comes into one's own and obtains in the country of tobacco industry prosperity and uses.
At present, the production technology of reconstituted tobacoo is divided into three kinds: roll-in method, thick slurry method and paper process, and wherein paper process has the incomparable advantage of other technology: the thin slice density that this method is produced is little, only is 60% of natural tobacco leaf, the filling value exceeds tobacco leaf more than 10%, and this advantage is significant; Machining property significantly is better than natural tobacco leaf, becomes the silk rate at least more than 95%, and broken rate only is about 2%; The burst size of tar only is 50% of a tobacco leaf; Can farthest regulate and control, improve quality of cigarette and quality effectively according to product requirement; Be convenient to transportation and store.The tobacco sheets by paper making method technology has the unexistent above-mentioned advantage of other slice technique just, and therefore, the paper process slice technique has been represented world's cigarette technology trends, has been subjected to the great attention of industrially developed country.Production of cigarettes developed country all pays much attention to the application of paper process slice technique in cigarette industry in the world, wherein the U.S., Japan and France occupy the leading position in this field, famous cigarette brand " 555 " just is furnished with 20% thin slice, has reduced tar content significantly.At present, commercial technology comprises the two footwork technology of SWM etc. of the ARL slice technique, France (executing the SCHWEITZER-MAUDUITINTERNATIONAL of subsidiary of big plan one Mo Di international corporation) of Japanese PMB company.These technology have been applied to paper technology thin slice production well, it is a kind of regeneration tobacco leaf technology that cigarette industry is strict with that meets, it has solved the concentrating of immersion, solable matter of tobacco waste, especially satisfy the pulp preparation technology of paper-making process requirement, make the thin slice performance of producing (mainly being intensity and flexibility) really satisfy the cigarette industry requirement.But the specification requirement height of the said firm, equipment investment costliness, process more complicated.
China once proposed research and development production domesticization tobacco sheets by paper making method technology middle nineteen nineties, to promote the technology status of China in the production of cigarettes field.Therefore, domestic relevant research institution has carried out many explorations one after another.Yet with regard to present technical merit and applicable cases, it is very few to produce effects, and does not see as yet that except that survey article the technical papers of relevant tobacco sheets by paper making method is delivered, and does not also see the example that the production domesticization tobacco sheets by paper making method puts into production.Analyze its reason, in the past the technology of being does not fundamentally solve the key issue of tobacco sheets by paper making method technical process.Deliver by people such as Shandong Light Ind College Ceng Fanhui as " Chinese papermaking " 96 year the 6th phase and to be entitled as " cigarette stalk chemical pulp is used to mix reconstituted tobacoo ", only cigarette stalk raw material has been carried out its pulping process and pulping process to the thin slice Effect on Performance, its objective is to replace the bleaching needle-point leaf pulp that adds in the thick slurry method thin slice.
A kind of method of utilizing waste/hypo-tobacco leaf and offal to produce cigarette is disclosed in the national inventing patent 9503442.1, sketched the raw material chopping, extract T/N, add water and stir pulping by the method for paper process process such as laminate, and paper process is made the key technology of cigarette thin slice---be fit to the raw material treatment technology that paper process requires, the soak concentration technique, thin slice is not mentioned in the forming technique and the thin slice control quality of paper-making process, especially make feedstock production become to satisfy the slurry of paper-making process requirement with stirring means, be actually and realize, thereby this method can not there be industrialization value.
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of method of utilizing cigarette factory waste material to produce reconstituted tobacoo is provided.This law solves emphatically that pulp preparation, the high efficiency extraction of solable matter, the thin slice that can satisfy paper process and require are shaped, the technology such as recycling of process water, realizes efficient, free of contamination production domesticization tobacco production.
A kind of method of utilizing cigarette factory waste material to produce reconstituted tobacoo comprises offal, waste/hypo-tobacco leaf is made reconstituted tobacoo through technologies such as extraction, slurrying by the method for papermaking, it is characterized in that: go through following steps:
(1) waste material of cigarette factory is a raw material: length is the offal of 3～5cm and fineness less than the offal of 3mm or/and discarded tobacco leaf, and the ratio of its offal and offal is selected from 6～8: 4～2;
(2) use hot-water soak 30～120min in airtight container, the hot water temperature preferably is controlled in 50～90 ℃ of scopes, and raw material and hot water liquor ratio are 1: 3～5;
(3) the heat soaking liquid that will contain solable matter with extractor separates with raw material, preferably selects two roller extractors for use;
(4) separate the raw material that obtains and dissociate through fibrator, disassociation concentration is 15～20%, and getting beating degree is the slurry of 12～17 ° of SR;
(5) slurry is handled through common refining way, and getting beating degree is the slurry of 28～40 ° of SR;
(6) to be adjusted to concentration be 0.3～1.0% online slurry to the slurry water behind the refining;
(7) the online slurry is shaped through cylinder or fourdrinier forming device behind conveying equipment and steady sizing device, copies flakiness;
(8) press dewatering and drying;
(9) with adjusted soak, its Baume degrees is 8～15 ' Be °, and being back to that thin slice promptly sprays or be applied to moisture content is 20～40% o'clock thin slice;
(10) dry again, cut, pack.
A kind of another kind of raw material outfit method of utilizing cigarette factory waste material to produce the method for reconstituted tobacoo is in slurry, be added in an amount of total slurry 5～10%, beating degree is that slurry or jute pulp are floated in the needlebush end of 38～42 ° of SR.
The present invention compared with prior art has following outstanding advantage and effect:
1, this law is from the cigarette industry of China and the state of the art of paper industry, make full use of cigarette factory waste material, broken through the difficult point on the paper process thin slice process, the key parameter and the control method of the paper process thin slice that meets the cigarette industry demand have been determined to produce, whole process does not adopt any poisonous or be harmful to the chemicals of human body, the discharge of process water seldom realizes not having the cleaner production of (lacking) pollution.And overall process does not need importer's external equipment, has realized production domesticization production, and investment only is about 20% of an import equipment.
2, tab strength is low, the difficult problem of the poor performance of manufacturing paper with pulp to the invention solves that pure tobacco material is manufactured paper with pulp in the conventional art.Result of the test shows that the main performance of the reconstituted tobacoo of the present invention's preparation is as follows:
Quantitatively: 70～110g/m
2Thickness: 0.2～0.42mm
Bursting strength: greater than 40Kpa percentage elongation in length and breadth: greater than 3.5%
Fracture length: greater than 0.6Km air permeability: 200～700ml/min
Burn rate: 5～10.5mm/min moisture: 8～13%
Filling capacity: 5～8cm
3/ g
3, the thin slice of manufacturing of the present invention have tar content low, have good burning performance, machinability is good, particularly thin slice machinery good processability, percentage of damage is low, tab strength good, pliability is moderate, meets the requirement of tobacco industry.
4, in cigarette is produced, add the reconstituted tobacoo that the present invention makes in proportion, can effectively reduce the tar content in the cigarette and improve cigarette quality.
Fig. 1 is a kind of process flow diagram that utilizes cigarette factory waste material to produce the method for reconstituted tobacoo.
The invention will be further described by following embodiment:
Embodiment 1:
As shown in Figure 1: at first being the offal of 3～5cm and fineness with length mixes in 6: 4 ratio less than the offal of 3mm, put into together in the closed container after adding water by 1: 3 liquor ratio, soaked 2 hours down at 50 ℃, the soak that will contain solable matter with two roller extractors separates with raw material while hot; Raw material dissociates through fibrator then, and disassociation concentration is 20%, and getting beating degree is the fibre stuff of 13 ° of SR; Refining is handled the slurry to 30 ° of SR again; Water transfers to 0.5% concentration with slurry, delivers to cylinder former at last and copies into 70g/m
2The paper process thin slice; Press dewatering and drying when the thin slice moisture content is 20～30%, will be that 10 ' Be ° soak is back to thin slice and promptly sprays or be applied to thin slice through toning dense and seasoning, Baume degrees, be dried to moisture content water 8～12% o'clock, cut, pack.
Embodiment 2:
As shown in Figure 1: being the offal of 3～5cm and fineness with length mixes in 7: 3 ratio less than the offal of 3mm, put into together in the closed container after adding water by 1: 4 liquor ratio, soaked 1.5 hours down at 70 ℃, with two roller extractors raw material is separated with the soak that contains solable matter while hot; Raw material dissociates through fibrator then, and disassociation concentration is 15%, and getting beating degree is the fibre stuff of 17 ° of SR, and refining is handled the slurry to 40 ° of SR again.For improving the intensity of thin slice, before approach flow, be added in an amount of total slurry 5%, beating degree is not float softwood pulp in slurry about 40 ° of SR, after mixing, water transfers to 0.8% through cylinder or the fourdriner forming device 80g/m that manufactures paper with pulp with slurry
2Thin slice, press dewatering and in dry when the thin slice moisture content is 30～40%, will be that 9 ' Be ° soak reuse promptly is sprayed at thin slice through toning dense and seasoning, Baume degrees, to be dried to moisture content be 8～12% o'clock, cut, pack.
Embodiment 3:
As shown in Figure 1: at first being the offal of 3～5cm and fineness with length mixes in 8: 2 ratio less than the offal of 3mm, and put into together in the closed container after adding water by 1: 5 liquor ratio, soak 30min down at 90 ℃, the soak that will contain solable matter with two roller extractors separates with raw material while hot; Raw material dissociates through fibrator then, and disassociation concentration is 18%, and getting beating degree is the fibre stuff of 15 ° of SR; Refining is handled the slurry to 35 ° of SR again; Water transfers to 0.3% concentration with slurry, delivers to cylinder former at last and copies into 70g/m
2The paper process thin slice; Press dewatering and drying, when the thin slice moisture content was 20～40%, the soak that will contain solable matter was transferred dense and seasoning, and its Baume degrees is 12 ' Be °, is back to thin slice, dries then, cuts, packs.
With the thin slice that above embodiment prepares, the ratio in 5～20% makes an addition in the cigarette production, can effectively reduce the tar content in the cigarette and improve the quality of cigarette.
Claims (5)
1, a kind of method of utilizing cigarette factory waste material to produce reconstituted tobacoo comprises offal, waste/hypo-tobacco leaf is made reconstituted tobacoo through technologies such as extraction, slurrying by the method for papermaking, it is characterized in that: go through following steps:
(1) waste material of cigarette factory is a raw material: length is the offal of 3～5cm and fineness less than the offal of 3mm or/and discarded tobacco leaf;
(2) in airtight container, use hot-water soak 30～120min;
(3) adopt the heat soaking liquid that general extractor and technology will contain solable matter to separate with raw material;
(4) separate the raw material that obtains and dissociate through fibrator, disassociation concentration is 15～20%, and getting beating degree is the slurry of 12～17 ° of SR;
(5) handle through common refining, getting beating degree is the slurry of 28～40 ° of SR;
(6) to be adjusted to concentration be 0.3～1.0% online slurry to the slurry water behind the refining;
(7) the online slurry is shaped through cylinder or fourdrinier forming device behind conveying equipment and steady sizing device, copies flakiness;
(8) press dewatering and drying;
(9) with adjusted soak, its Baume degrees is 8～15 ' Be °, and being back to that thin slice promptly sprays or be applied to moisture content is 20～40% o'clock thin slice;
(10) dry again, cut, pack.
2, a kind of method of utilizing cigarette factory waste material to produce reconstituted tobacoo according to claim 1, it is characterized in that: the ratio of offal and offal is selected from 6～8: 4～2.
3, according to claim 1,2 described a kind of methods of utilizing cigarette factory waste material to produce reconstituted tobacoo, it is characterized in that: adopt pair roller extractors in the soak that contains solable matter and the raw material separation circuit.
4, a kind of method of utilizing cigarette factory waste material to produce reconstituted tobacoo according to claim 1, it is characterized in that: the hot water temperature in the hot-water soak operation is 50～90 ℃, the liquor ratio of raw material and hot water is 1: 3～5.
5, a kind of method of utilizing cigarette factory waste material to produce reconstituted tobacoo according to claim 1 is characterized in that: in slurry, be added in an amount of total slurry 5～10%, beating degree is that slurry or jute pulp are floated in the needlebush end of 38～42 ° of SR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00117207A CN1106805C (en) | 2000-06-26 | 2000-06-26 | Tabacco sheet producing process by using the leftover of cigarette factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00117207A CN1106805C (en) | 2000-06-26 | 2000-06-26 | Tabacco sheet producing process by using the leftover of cigarette factory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1274548A CN1274548A (en) | 2000-11-29 |
| CN1106805C true CN1106805C (en) | 2003-04-30 |
Family
ID=4586592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00117207A Expired - Fee Related CN1106805C (en) | 2000-06-26 | 2000-06-26 | Tabacco sheet producing process by using the leftover of cigarette factory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1106805C (en) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100353873C (en) * | 2003-06-13 | 2007-12-12 | 广东省金叶烟草薄片技术开发有限公司 | Tobacco leaf remaking process using tobacco peduncle and tobacco fragment as material through paper making method |
| CN100370927C (en) * | 2003-06-13 | 2008-02-27 | 广东省金叶烟草薄片技术开发有限公司 | Method for tobacco leaf reforger for making cigarette using paper making method |
| CN100386037C (en) * | 2005-09-28 | 2008-05-07 | 湖南中烟工业有限责任公司 | Tobacco bits pulping process for producing tobacco flake in method similar to papaermaking |
| CN100443002C (en) * | 2005-09-28 | 2008-12-17 | 湖南中烟工业有限责任公司 | Tobacco flake producing process similar to papermaking |
| CN100386036C (en) * | 2005-09-28 | 2008-05-07 | 湖南中烟工业有限责任公司 | Tobacco stem pulping process for producing tobacco flake in method similar to papermaking |
| CN100411552C (en) * | 2005-11-12 | 2008-08-20 | 云南瑞升科技有限公司 | Method for preparing reconstituted tobacco leaves through paper making method |
| CN101524185B (en) * | 2009-04-09 | 2012-05-23 | 云南中烟昆船瑞升科技有限公司 | New technique for producing reconstituted tobacco efficiently and special extraction pulper thereof |
| CN101999751B (en) * | 2009-09-02 | 2012-12-05 | 湖北中烟工业有限责任公司 | Method for comprehensively utilizing burdock root in tobacco |
| CN102217783B (en) * | 2010-04-15 | 2013-03-27 | 北京中海钓台食品供应中心有限公司 | Thin sheet for cigarette, preparation method thereof and cigarette |
| CN102217789B (en) * | 2010-04-15 | 2013-07-17 | 北京中海钓台食品供应中心有限公司 | Thin sheet for cigarette, preparation method thereof and cigarette |
| CN101871178B (en) * | 2010-06-03 | 2012-05-16 | 云南瑞升烟草技术（集团）有限公司 | Method for manufacturing paper used in tobacco cultivation by utilizing waste tobacco stalk |
| CN101912147B (en) * | 2010-07-30 | 2012-08-08 | 华南理工大学 | Functional tobacco sheet and preparation method thereof |
| CN102125298A (en) * | 2010-12-24 | 2011-07-20 | 云南瑞升烟草技术（集团）有限公司 | Tobacco sheet producing method applying magnetization paper making method |
| CN102640979B (en) * | 2012-03-10 | 2014-05-14 | 广东中烟工业有限责任公司 | Method for preparing reconstituted tobacco paper base made from tobacco stems |
| CN102599636B (en) * | 2012-03-10 | 2014-09-10 | 广东中烟工业有限责任公司 | Preparation method of reconstituted tobacco from tobacco stem and tobacco powder |
| CN102599637B (en) * | 2012-03-10 | 2014-10-22 | 广东中烟工业有限责任公司 | Preparation method of tobacco sheet |
| CN103222675B (en) * | 2012-04-12 | 2015-08-05 | 湖北中烟工业有限责任公司 | A kind of preparation method of light basis weight papermaking-method reconstituted tobaccos |
| CN102669811B (en) * | 2012-05-28 | 2015-06-17 | 川渝中烟工业有限责任公司 | Method for producing cigarette expansion cut tobacco with low tar content and low harm by using microbial fermentation |
| CN102845827B (en) * | 2012-08-16 | 2014-08-06 | 上海烟草集团有限责任公司 | Paper making method reproduced tobacco leaf pulping process |
| CN103082396A (en) * | 2013-03-05 | 2013-05-08 | 中国烟草总公司郑州烟草研究院 | Manufacturing technique of tobacco remaking with fold paper-making method |
| CN103238921B (en) * | 2013-05-21 | 2015-09-16 | 苏州昆蓝生物科技有限公司 | The production method of reconstituted tobacoo |
| CN103416841A (en) * | 2013-07-29 | 2013-12-04 | 河北中烟工业有限责任公司 | Shred manufacturing technology based on high-temperature tobacco soaking processing |
| CN103416839B (en) * | 2013-08-02 | 2016-06-29 | 上海烟草集团有限责任公司 | A kind of method improving papermaking-method reconstituted tobaccos properties of product |
| CN104544556A (en) * | 2013-10-25 | 2015-04-29 | 苗丽荣 | Aquilaria agallocha cigarette making method and Aquilaria agallocha cigarette product thereof |
| CN103734897A (en) * | 2013-12-13 | 2014-04-23 | 浙江中烟工业有限责任公司 | Reproduced tobacco leaves adopting discarded tobacco leaf raw material formula and preparing method thereof |
| CN103892439B (en) * | 2014-04-17 | 2017-03-15 | 浙江中烟工业有限责任公司 | A kind of unqualified method for producing reconstituted tobacco of below 1mm Nicotiana tabacum Lves and application |
| CN104532662B (en) * | 2014-09-11 | 2017-02-01 | 长沙理工大学 | Preparation method of mulch film for tobacco mulching cultivation |
| CN104382217B (en) * | 2014-09-22 | 2016-04-13 | 华南理工大学 | A kind of processing method and reconstituted tobacoo thereof preparing reconstituted tobacoo material |
| CN104382218B (en) * | 2014-09-22 | 2016-04-13 | 华南理工大学 | A kind of preparation method of tobacco sheets by paper making method and reconstituted tobacoo thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4270552A (en) * | 1977-10-04 | 1981-06-02 | Brown & Williamson Tobacco Corporation | Process and apparatus for producing paper reconstituted tobacco |
| US5322076A (en) * | 1992-02-06 | 1994-06-21 | R. J. Reynolds Tobacco Company | Process for providing tobacco-containing papers for cigarettes |
| CN1093890A (en) * | 1993-12-10 | 1994-10-26 | 大姚县金碧造纸厂 | The Processes and apparatus of producing tobacco flake in method similar to papermaking |
| US5377698A (en) * | 1993-04-30 | 1995-01-03 | Brown & Williamson Tobacco Corporation | Reconstituted tobacco product |
-
2000
- 2000-06-26 CN CN00117207A patent/CN1106805C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4270552A (en) * | 1977-10-04 | 1981-06-02 | Brown & Williamson Tobacco Corporation | Process and apparatus for producing paper reconstituted tobacco |
| US5322076A (en) * | 1992-02-06 | 1994-06-21 | R. J. Reynolds Tobacco Company | Process for providing tobacco-containing papers for cigarettes |
| US5377698A (en) * | 1993-04-30 | 1995-01-03 | Brown & Williamson Tobacco Corporation | Reconstituted tobacco product |
| US5765570A (en) * | 1993-04-30 | 1998-06-16 | Brown & Williamson Tobacco Corporation | Reconstituted tobacco product |
| CN1093890A (en) * | 1993-12-10 | 1994-10-26 | 大姚县金碧造纸厂 | The Processes and apparatus of producing tobacco flake in method similar to papermaking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1274548A (en) | 2000-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1106805C (en) | Tabacco sheet producing process by using the leftover of cigarette factory | |
| CN102845827B (en) | Paper making method reproduced tobacco leaf pulping process | |
| CN102318895B (en) | Method for preparing tobacco sheets through tobacco waste materials by papermaking method | |
| CN105286078B (en) | Method for papermaking method reconstituted tobacco by replacing wood pulp fibers through cotton stalk bark fibers | |
| CN102860579A (en) | Method for improving quality of tobacco sheet prepared by papermaking method | |
| CN103734894A (en) | Flexibility pulping process of reconstituted tobaccos | |
| CN108477663A (en) | Substitute the production method of reconstituted tobacoo | |
| CN102845828B (en) | Method for producing paper cigar cloth and cigar jacket for cigars and cigarettes | |
| CN102599633A (en) | Material adding method for dry reconstitution of tobacco | |
| CN112853811A (en) | Powder forming coating papermaking process | |
| CN104223344B (en) | A kind of be fibrous raw material with discarded gunnysack reconstituted tobacco preparation method | |
| CN1150365C (en) | Pulping and paper-making process with palm shell as raw material | |
| CN1140215A (en) | Method for making multipurpose pulp from waste tobacco stalks, stems and leaves | |
| CN104872810A (en) | Preparation method and application of modified tobacco stem fibers | |
| CN101664226B (en) | Defibering and fiber-adding process and equipment of tobacco stems of rolling process reconstituted tobacco | |
| CN1164211C (en) | Cigarette substitute and making method thereof | |
| CN113349407A (en) | Tobacco stem pulp sheet, preparation method and application | |
| CN112602962A (en) | Cigarette tipping base paper containing tobacco elements, preparation method thereof and cigarette made of same | |
| CN113786001B (en) | Method for preparing reconstituted tobacco | |
| CN112120274B (en) | Composite tobacco sheet and preparation method thereof | |
| CN105124751A (en) | Method for improving physical property of fennel stem sheet substrate through pulping enzyme treatment | |
| CN204763381U (en) | Papermaking method reconstituted tobacco's of high calcium carbonate content preparation system | |
| CN109403128B (en) | Method for preparing mixed papermaking slurry by using soil wool and waste cardboard paper | |
| CN116849389A (en) | Low-breakage-rate reconstituted cut stem and preparation method and application thereof | |
| CN111789279B (en) | Preparation method of tobacco leaf-imitated reconstituted tobacco |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |